Having each element explained and described with its importance and role in the Universe, Elements of Life is an intriguing illustrated reference book that covers every aspect of the six vital elements of life. Topics included in the book are:CarbonOxygenHydrogenSulfurPhosphorusNitrogenStem Masters is a series of visual reference books that give answers to all wondering questions of curious and enthusiastic tweens out there. Packed with exciting graphics and detailed illustrations, these content-rich guides will take you to the world of knowledge and unravel some fascinating facts of almost everything!Other Titles in This SeriesScience ActivitiesEarths ResourcesImpact on Earth